<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise API - all</title>
</head>
<body>
    <script>




       function sleep(ms) {
            var start = Date.now()
            while(Date.now() - start <= ms ) ; 
       }


        let p1 = new Promise((resolve, reject) => {
            sleep(3004)
            resolve('OK');
        })
        // let p2 = Promise.resolve('Success');
        let p2 = Promise.reject('Error');
        let p3 = Promise.resolve('Oh Yeah');
        
        //
        const result = Promise.all([p2, p1, p3]);

        console.log(result);
        result.then(value => {
            console.log('value', value) ;
        }, error => {
            console.log('error => ', error) ;
        })
    </script>
</body>
</html>